html,body{
    width:100%;
    height:100%;
}
.head1{
    position: fixed;
    top:0;
    left:0;
    right:0;
    width:100%;
    height:50px;
    z-index: 9999999999;
    padding-left:20px;
}
.head1 img{
    height:50px;
}
.head1 li{
    float:left;
    margin:0 10px;
    line-height: 50px;
    font-size:14px;
}
.head1 li a{
    color:#fff;
}

.item{
    width:100%;
    height:100%;
    position: absolute;
    top:0;
    left:0;
    right:0;
}
.item1{
    background: url(../images/index_banner1.jpg);
    background-position: 50%;
    background-repeat: no-repeat;
    background-size: cover;
}
.item2{
    background: url(../images/index_banner2.jpg);
    background-position: 50%;
    background-repeat: no-repeat;
    background-size: cover;
}
.item3{
     background: url(../images/index_banner3.jpg);
    background-position: 50%;
    background-repeat: no-repeat;
    background-size: cover;
 }

#carousel-example-generic{
    width:100%;
    position: relative;
    z-index: 555555555;
}

.onhover{
    width:100%;
    height:100%;
    position: absolute;
    z-index: 9999999999999;
    top:0;
    left:0;
    right:0;
    background: rgba(0,0,0,0.45);
    /*z-index: 9999999999;*/
}
.hover-bg ul{
    width:990px;
    height:200px;
    position: absolute;
    top:0;
    left:0;
    right:0;
    bottom:0;
    margin:auto;
    display: flex;
    align-content: center;
    justify-content: center;
}
.hover-bg ul li{
    text-align: center;
    height:200px;
}
.hover-bg ul li img{
    height:30px;
    margin-bottom:10px;
}
.hover-bg ul li p a{
    color:#fff;
    display: inline-block;
    height:30px;
    line-height: 30px;
    width:30px;
}
.hover-bg ul li p a:hover{
    text-decoration: none;
    border-bottom: 1px solid #fff;
}